Congo peafowl vs pheasant

Congo peafowl and pheasant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Congo peafowl	Yes	No	No	No
pheasant	Yes	No	No	No

As nouns, pheasant is a hypernym of Congo peafowl; that is, pheasant is a word with a broader meaning than Congo peafowl:

Congo peafowl: both sexes are brightly colored
pheasant: large long-tailed gallinaceous bird native to the Old World but introduced elsewhere

Congo peafowl (noun)	pheasant (noun)
both sexes are brightly colored	large long-tailed gallinaceous bird native to the Old World but introduced elsewhere
	flesh of a pheasant; usually braised